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Indoor Electrical VCB Circuit Breaker High Voltage Zn85-40.5 Series

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Indoor Electrical VCB Circuit Breaker High Voltage Zn85-40.5 Series

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Brand Name :	ERFA
Model Number :	Zn85 40.5
Certification :	ISO9000, XIHARI
Price :	Negotiated
Delivery Time :	10 days after payment
Payment Terms :	T/T
Supply Ability :	10000pcs per month

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Product Details
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Indoor Electrical VCB Circuit Breaker High Voltage Zn85-40.5 Series

Product Description

ZN85 40.5 vacuum circuit breaker
1, indoor type
2, 3phase
3, rated voltage: 40.5kv
4, apply for GB IEC
36kv vacuum circuit breaker
Type ZN85-40.5 indoor alternating current high voltage vacuum circuit breaker
Usage and Characteristics
Type ZN85-40.5 indoor alternating current high voltage vacuum circuit breaker is applicable for the three-phase AC 50Hz. 40.5kv power system. It can used as the protective and contorl device in the industrial and mining enterprise. Power plant and substation. It is applicable for frequently operation.
The circuit breaker meet the requirements of state standard GB 1984 Alternating current high voltage circuit breaker and JB3855 3.6-40.5kv indoor alternating current high voltage vacuum circuit breaker
Service and Environmental Condition
1, Ambient Temperature: -25° C~+40° C, Daily mean: ≤ 35° C
2, Relative humidity: Daily mean ≤ 95%, monthly mean ≤ 90%, Water Vapor: Daily mean ≤ 2.2Mpa
3, Water Vapor: Monthly mean ≤ 1.8Mpa
4, Sea-level Altitude: ≤ 1000m
5, no dust, smoke, corrosive and inflammable gas, vapor, salt spray or strenuous vibration.
6, The amplitude of electromagnetic interference induced in the auxiliary circuit: ≤ 1.6KV

Main Technical Parameters

No.	Item		Unit	Data
1	Rated voltage		KV	40.5
2	Rated insulation level	Power frequency withstand voltage 1min (effective value)	KV	95
2	Rated insulation level	Lightning impulse withstand voltage (effective value)	KV	185
3	Rated current		A	1000 1250 1600 2000
4	Rated frequency		Hz	50
5	Rated short - time withstand current		KA	20 25 31.5
6	Rated peak withstand current		KA	50 63 80
7	Rated short-circuit breaking current		KA	20 25 31.5
8	Rated short circuit making current(peak value)		KA	50 63 80
9	Rated Short-circuit Continuing Time		S	4
10	Rated operating sequence			C-0.3s-CO-180s-CO
11	Breaking time		ms	<80
12	Rated short circuit breaking current times		time	20
13	Single capacitor unit breaking current		A	630
14	Machinery life		Time	10000
15	Rated operating voltag		V	-110/~110,-220/~220

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